import java.util.Arrays;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: ASUS
 * Date: 2023-04-07
 * Time: 7:30
 */
public class Test {
    public static void main(String[] args) {
        int[] array = {1,2,3,4,5,6};
        func(array);
        System.out.println(Arrays.toString(array));
    }
    public static void func(int[] array) {
        int left = 0;
        int right = array.length-1;
        while (left < right) {
            while (left < right && array[left] % 2 != 0) {
                left++;
            }
            while (left < right && array[left] % 2 == 0) {
                right--;
            }
            if (left < right) {
                int tmp = array[left];
                array[left] = array[right];
                array[right] = tmp;
                left++;
                right--;

            }

        }
    }
    public static void main1(String[] args) {
        System.out.println("Day 21");
    }
}
